140110668 has 108 divisors (see below), whose sum is σ = 391719720. Its totient is φ = 43300224.

The previous prime is 140110661. The next prime is 140110679. The reversal of 140110668 is 866011041.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

140110668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (108).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (140110661) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2091171 + ... + 2091237.

Almost surely, 2^140110668 is an apocalyptic number.

140110668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140110668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195859860).

140110668 is an abundant number, since it is smaller than the sum of its proper divisors (251609052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140110668 is a wasteful number, since it uses less digits than its factorization.

140110668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 140110668 is about 11836.8352189257. The cubic root of 140110668 is about 519.3861938966.

Multiplying 140110668 by its sum of digits (27), we get a square (3782988036 = 61506²).

140110668 divided by its sum of digits (27) gives a square (5189284 = 2278²).

The spelling of 140110668 in words is "one hundred forty million, one hundred ten thousand, six hundred sixty-eight".